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Michael Pittroff
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Hannover, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for etching, and chamber cleaning and a gas therefor
Patent number
11,149,347
Issue date
Oct 19, 2021
Solvay S.A.
Michael Pittroff
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Isolation of SF6 from insulating gases in gas-insulated lines
Patent number
6,723,153
Issue date
Apr 20, 2004
Michael Pittroff
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method for recovering and/or separating sulfur oxyfluorides from ga...
Patent number
6,706,090
Issue date
Mar 16, 2004
Solvay Fluor und Derivate GmbH
Heinz-Joachim Belt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Separation of gases containing SF6
Patent number
6,454,837
Issue date
Sep 24, 2002
Solvay Fluor und Derivate GmbH
Michael Pittroff
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Preparation of homogeneous gas mixtures with SF.sub.6
Patent number
6,105,631
Issue date
Aug 22, 2000
Solvay Fluor und Derivate GmbH
Michael Pittroff
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the decoloration and detoxification of aqueous effluents
Patent number
6,083,398
Issue date
Jul 4, 2000
Solvay (Societe Anonyme)
Michael Pittroff
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
A PROCESS FOR THE PURIFICATION OF FLUORINATED OLEFINS
Publication number
20240025825
Publication date
Jan 25, 2024
SOLVAY S.A.
Joo-Hee Kang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR ETCHING, AND CHAMBER CLEANING AND A GAS THEREFOR
Publication number
20180163300
Publication date
Jun 14, 2018
SOLVAY S.A.
Michael PITTROFF
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
PROCESS FOR THE MANUFACTURE OF SOLAR CELLS
Publication number
20170345953
Publication date
Nov 30, 2017
SOLVAY SA
Michael PITTROFF
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Etching Process
Publication number
20090068844
Publication date
Mar 12, 2009
Solvay Fluor GmbH
Anja Pischtiak
B08 - CLEANING
Information
Patent Application
Method of producing homogeneous gas mixtures
Publication number
20040056234
Publication date
Mar 25, 2004
Solvay Fluor und Derivate GmbH
Heinz-Joachim Belt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Apparatus for determining physical and/or chemical parameters of ae...
Publication number
20040031486
Publication date
Feb 19, 2004
Solvay Fluor und Derivate GmbH
Thomas Schwarze
G01 - MEASURING TESTING
Information
Patent Application
Method for recovering and/or separating sulfur oxyfluorides from ga...
Publication number
20030047069
Publication date
Mar 13, 2003
Solvay Fluor und Derivate GmbH
Heinz-Joachim Belt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Isolation of SF6 from insulating gases in gas-insulated lines
Publication number
20020062734
Publication date
May 30, 2002
Michael Pittroff
C01 - INORGANIC CHEMISTRY